Ibn Sīnā studied medicine under a physician named Koushyar. He wrote almost 450 treatises on a wide range of subjects, of which around 240 have survived. In particular, 150 of his surviving treatises concentrate on philosophy and 40 of them concentrate on medicine.

He was also an astronomer, chemist, geologist, Hafiz, Islamic psychologist, Islamic scholar, Islamic theologian, logician, mathematician, Maktab teacher, physicist, poet, and scientist. He is regarded as the most famous and influential polymath of the Islamic Golden Age.